Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:28:01

Orbital Elements for MLR318

WDS:	MLR318	WDS ID/Discoverer
P:	417.209	Orbital period (years)
a:	1.2955	Semi-major axis (arcseconds)
i:	96.11	Inclination (degrees)
Ω:	122.34	Longitude of ascending node (degrees)
T:	2278.120	Epoch of periastron passage (year)
e:	0.9434	Eccentricity
ω:	318.77	Longitude of periastron (degrees)
Start-Year:	1817.0	Year
End-Year:	2233.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MLR318

Position:	064229.30+661152.1	Epoch-2000 right ascension and declination
WDS-ID:	06425+6612	WDS designation
Discoverer Code:	MLR318	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	47215	HD catalog number
Hipparcos number:	32117	Hipparcos catalog number
V1:	7.28	Magnitude of the primary
V2:	9.34	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1995	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for MLR318

WDS 6th Orbit including measures of MLR318

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of MLR318

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.748    308.3
-------------------------
1817.0     1.236    304.9
1818.0     1.222    304.8
1819.0     1.207    304.8
1820.0     1.192    304.8
1821.0     1.177    304.7
1822.0     1.162    304.7
1823.0     1.146    304.6
1824.0     1.130    304.6
1825.0     1.114    304.6
1826.0     1.097    304.5
1827.0     1.080    304.5
1828.0     1.063    304.4
1829.0     1.046    304.4
1830.0     1.027    304.3
1831.0     1.009    304.3
1832.0     0.990    304.2
1833.0     0.971    304.2
1834.0     0.951    304.1
1835.0     0.931    304.1
1836.0     0.910    304.0
1837.0     0.889    304.0
1838.0     0.867    303.9
1839.0     0.844    303.8
1840.0     0.821    303.7
1841.0     0.798    303.7
1842.0     0.773    303.6
1843.0     0.748    303.5
1844.0     0.722    303.4
1845.0     0.695    303.3
1846.0     0.667    303.2
1847.0     0.638    303.1
1848.0     0.607    302.9
1849.0     0.576    302.8
1850.0     0.543    302.6
1851.0     0.508    302.4
1852.0     0.472    302.2
1853.0     0.433    302.0
1854.0     0.391    301.7
1855.0     0.347    301.3
1856.0     0.298    300.8
1857.0     0.244    300.1
1858.0     0.184    299.0
1859.0     0.113    296.6
1860.0     0.030    281.8
1861.0     0.062    126.3
1862.0     0.095    118.7
1863.0     0.091    112.9
1864.0     0.076    105.6
1865.0     0.060     94.5
1866.0     0.046     75.6
1867.0     0.039     46.0
1868.0     0.045     15.4
1869.0     0.058    355.4
1870.0     0.076    343.9
1871.0     0.096    336.8
1872.0     0.116    332.2
1873.0     0.136    328.9
1874.0     0.156    326.5
1875.0     0.176    324.7
1876.0     0.196    323.2
1877.0     0.215    322.0
1878.0     0.235    320.9
1879.0     0.254    320.1
1880.0     0.273    319.3
1881.0     0.292    318.7
1882.0     0.310    318.1
1883.0     0.328    317.6
1884.0     0.346    317.2
1885.0     0.364    316.8
1886.0     0.382    316.4
1887.0     0.399    316.1
1888.0     0.417    315.8
1889.0     0.434    315.5
1890.0     0.450    315.2
1891.0     0.467    315.0
1892.0     0.483    314.8
1893.0     0.500    314.5
1894.0     0.516    314.3
1895.0     0.532    314.2
1896.0     0.548    314.0
1897.0     0.563    313.8
1898.0     0.579    313.7
1899.0     0.594    313.5
1900.0     0.609    313.4
1901.0     0.624    313.2
1902.0     0.639    313.1
1903.0     0.654    313.0
1904.0     0.668    312.9
1905.0     0.682    312.8
1906.0     0.697    312.6
1907.0     0.711    312.5
1908.0     0.725    312.4
1909.0     0.739    312.4
1910.0     0.752    312.3
1911.0     0.766    312.2
1912.0     0.780    312.1
1913.0     0.793    312.0
1914.0     0.806    311.9
1915.0     0.819    311.8
1916.0     0.832    311.8
1917.0     0.845    311.7
1918.0     0.858    311.6
1919.0     0.871    311.6
1920.0     0.883    311.5
1921.0     0.896    311.4
1922.0     0.908    311.4
1923.0     0.920    311.3
1924.0     0.932    311.2
1925.0     0.944    311.2
1926.0     0.956    311.1
1927.0     0.968    311.1
1928.0     0.980    311.0
1929.0     0.991    311.0
1930.0     1.003    310.9
1931.0     1.014    310.9
1932.0     1.026    310.8
1933.0     1.037    310.8
1934.0     1.048    310.7
1935.0     1.059    310.7
1936.0     1.070    310.6
1937.0     1.081    310.6
1938.0     1.092    310.5
1939.0     1.102    310.5
1940.0     1.113    310.5
1941.0     1.124    310.4
1942.0     1.134    310.4
1943.0     1.144    310.3
1944.0     1.155    310.3
1945.0     1.165    310.3
1946.0     1.175    310.2
1947.0     1.185    310.2
1948.0     1.195    310.1
1949.0     1.205    310.1
1950.0     1.214    310.1
1951.0     1.224    310.0
1952.0     1.234    310.0
1953.0     1.243    310.0
1954.0     1.253    309.9
1955.0     1.262    309.9
1956.0     1.271    309.9
1957.0     1.281    309.8
1958.0     1.290    309.8
1959.0     1.299    309.8
1960.0     1.308    309.8
1961.0     1.317    309.7
1962.0     1.326    309.7
1963.0     1.334    309.7
1964.0     1.343    309.6
1965.0     1.352    309.6
1966.0     1.360    309.6
1967.0     1.369    309.6
1968.0     1.377    309.5
1969.0     1.385    309.5
1970.0     1.394    309.5
1971.0     1.402    309.5
1972.0     1.410    309.4
1973.0     1.418    309.4
1974.0     1.426    309.4
1975.0     1.434    309.3
1976.0     1.442    309.3
1977.0     1.450    309.3
1978.0     1.457    309.3
1979.0     1.465    309.3
1980.0     1.473    309.2
1981.0     1.480    309.2
1982.0     1.487    309.2
1983.0     1.495    309.2
1984.0     1.502    309.1
1985.0     1.509    309.1
1986.0     1.517    309.1
1987.0     1.524    309.1
1988.0     1.531    309.0
1989.0     1.538    309.0
1990.0     1.545    309.0
1991.0     1.552    309.0
1992.0     1.558    309.0
1993.0     1.565    308.9
1994.0     1.572    308.9
1995.0     1.578    308.9
1996.0     1.585    308.9
1997.0     1.591    308.9
1998.0     1.598    308.8
1999.0     1.604    308.8
2000.0     1.610    308.8
2001.0     1.617    308.8
2002.0     1.623    308.8
2003.0     1.629    308.7
2004.0     1.635    308.7
2005.0     1.641    308.7
2006.0     1.647    308.7
2007.0     1.653    308.7
2008.0     1.659    308.6
2009.0     1.664    308.6
2010.0     1.670    308.6
2011.0     1.676    308.6
2012.0     1.681    308.6
2013.0     1.687    308.6
2014.0     1.692    308.5
2015.0     1.697    308.5
2016.0     1.703    308.5
2017.0     1.708    308.5
2018.0     1.713    308.5
2019.0     1.718    308.4
2020.0     1.723    308.4
2021.0     1.728    308.4
2022.0     1.733    308.4
2023.0     1.738    308.4
2024.0     1.743    308.4
2025.0     1.748    308.3
2026.0     1.753    308.3
2027.0     1.757    308.3
2028.0     1.762    308.3
2029.0     1.766    308.3
2030.0     1.771    308.3
2031.0     1.775    308.2
2032.0     1.780    308.2
2033.0     1.784    308.2
2034.0     1.788    308.2
2035.0     1.792    308.2
2036.0     1.797    308.2
2037.0     1.801    308.2
2038.0     1.805    308.1
2039.0     1.809    308.1
2040.0     1.813    308.1
2041.0     1.816    308.1
2042.0     1.820    308.1
2043.0     1.824    308.1
2044.0     1.828    308.0
2045.0     1.831    308.0
2046.0     1.835    308.0
2047.0     1.838    308.0
2048.0     1.842    308.0
2049.0     1.845    308.0
2050.0     1.848    308.0
2051.0     1.852    307.9
2052.0     1.855    307.9
2053.0     1.858    307.9
2054.0     1.861    307.9
2055.0     1.864    307.9
2056.0     1.867    307.9
2057.0     1.870    307.8
2058.0     1.873    307.8
2059.0     1.876    307.8
2060.0     1.878    307.8
2061.0     1.881    307.8
2062.0     1.884    307.8
2063.0     1.886    307.8
2064.0     1.889    307.7
2065.0     1.891    307.7
2066.0     1.894    307.7
2067.0     1.896    307.7
2068.0     1.898    307.7
2069.0     1.901    307.7
2070.0     1.903    307.7
2071.0     1.905    307.6
2072.0     1.907    307.6
2073.0     1.909    307.6
2074.0     1.911    307.6
2075.0     1.913    307.6
2076.0     1.914    307.6
2077.0     1.916    307.6
2078.0     1.918    307.6
2079.0     1.920    307.5
2080.0     1.921    307.5
2081.0     1.923    307.5
2082.0     1.924    307.5
2083.0     1.925    307.5
2084.0     1.927    307.5
2085.0     1.928    307.5
2086.0     1.929    307.4
2087.0     1.930    307.4
2088.0     1.932    307.4
2089.0     1.933    307.4
2090.0     1.934    307.4
2091.0     1.934    307.4
2092.0     1.935    307.4
2093.0     1.936    307.3
2094.0     1.937    307.3
2095.0     1.937    307.3
2096.0     1.938    307.3
2097.0     1.939    307.3
2098.0     1.939    307.3
2099.0     1.939    307.3
2100.0     1.940    307.2
2101.0     1.940    307.2
2102.0     1.940    307.2
2103.0     1.941    307.2
2104.0     1.941    307.2
2105.0     1.941    307.2
2106.0     1.941    307.2
2107.0     1.941    307.2
2108.0     1.940    307.1
2109.0     1.940    307.1
2110.0     1.940    307.1
2111.0     1.940    307.1
2112.0     1.939    307.1
2113.0     1.939    307.1
2114.0     1.938    307.1
2115.0     1.938    307.0
2116.0     1.937    307.0
2117.0     1.936    307.0
2118.0     1.935    307.0
2119.0     1.935    307.0
2120.0     1.934    307.0
2121.0     1.933    307.0
2122.0     1.932    306.9
2123.0     1.930    306.9
2124.0     1.929    306.9
2125.0     1.928    306.9
2126.0     1.927    306.9
2127.0     1.925    306.9
2128.0     1.924    306.9
2129.0     1.922    306.9
2130.0     1.921    306.8
2131.0     1.919    306.8
2132.0     1.917    306.8
2133.0     1.915    306.8
2134.0     1.913    306.8
2135.0     1.911    306.8
2136.0     1.909    306.8
2137.0     1.907    306.7
2138.0     1.905    306.7
2139.0     1.903    306.7
2140.0     1.901    306.7
2141.0     1.898    306.7
2142.0     1.896    306.7
2143.0     1.893    306.7
2144.0     1.890    306.6
2145.0     1.888    306.6
2146.0     1.885    306.6
2147.0     1.882    306.6
2148.0     1.879    306.6
2149.0     1.876    306.6
2150.0     1.873    306.6
2151.0     1.870    306.5
2152.0     1.867    306.5
2153.0     1.863    306.5
2154.0     1.860    306.5
2155.0     1.856    306.5
2156.0     1.853    306.5
2157.0     1.849    306.5
2158.0     1.845    306.4
2159.0     1.842    306.4
2160.0     1.838    306.4
2161.0     1.834    306.4
2162.0     1.830    306.4
2163.0     1.826    306.4
2164.0     1.821    306.3
2165.0     1.817    306.3
2166.0     1.813    306.3
2167.0     1.808    306.3
2168.0     1.803    306.3
2169.0     1.799    306.3
2170.0     1.794    306.3
2171.0     1.789    306.2
2172.0     1.784    306.2
2173.0     1.779    306.2
2174.0     1.774    306.2
2175.0     1.769    306.2
2176.0     1.763    306.2
2177.0     1.758    306.1
2178.0     1.752    306.1
2179.0     1.747    306.1
2180.0     1.741    306.1
2181.0     1.735    306.1
2182.0     1.729    306.1
2183.0     1.723    306.0
2184.0     1.717    306.0
2185.0     1.711    306.0
2186.0     1.704    306.0
2187.0     1.698    306.0
2188.0     1.691    305.9
2189.0     1.685    305.9
2190.0     1.678    305.9
2191.0     1.671    305.9
2192.0     1.664    305.9
2193.0     1.657    305.9
2194.0     1.650    305.8
2195.0     1.642    305.8
2196.0     1.635    305.8
2197.0     1.627    305.8
2198.0     1.619    305.8
2199.0     1.611    305.7
2200.0     1.603    305.7
2201.0     1.595    305.7
2202.0     1.587    305.7
2203.0     1.579    305.7
2204.0     1.570    305.6
2205.0     1.562    305.6
2206.0     1.553    305.6
2207.0     1.544    305.6
2208.0     1.535    305.6
2209.0     1.526    305.5
2210.0     1.516    305.5
2211.0     1.507    305.5
2212.0     1.497    305.5
2213.0     1.487    305.4
2214.0     1.477    305.4
2215.0     1.467    305.4
2216.0     1.457    305.4
2217.0     1.446    305.4
2218.0     1.436    305.3
2219.0     1.425    305.3
2220.0     1.414    305.3
2221.0     1.403    305.3
2222.0     1.391    305.2
2223.0     1.380    305.2
2224.0     1.368    305.2
2225.0     1.356    305.1
2226.0     1.344    305.1
2227.0     1.332    305.1
2228.0     1.319    305.1
2229.0     1.306    305.0
2230.0     1.293    305.0
2231.0     1.280    305.0
2232.0     1.266    304.9

Disclaimer

Acknowledgements

The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.